Q: What are the prime factors of the number 411,660?

 A: 2, 3, 5, 2287

Why are those the prime factors of the number 411,660?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 411,660

411,660
Factor Arrows
2205,830
Factor Arrows
2102,915
Factor Arrows
334,305
Factor Arrows
311,435
Factor Arrows
52,287

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 5, 2287

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 2,287 = 411,660

This can also be written as 22 x 32 x 51 x 2,2871 = 411,660

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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